90557376 has 224 divisors, whose sum is σ = 303141888. Its totient is φ = 23224320.

The previous prime is 90557347. The next prime is 90557381. The reversal of 90557376 is 67375509.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240476 + ... + 1240548.

It is an arithmetic number, because the mean of its divisors is an integer number (1353312).

Almost surely, 2^90557376 is an apocalyptic number.

90557376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90557376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151570944).

90557376 is an abundant number, since it is smaller than the sum of its proper divisors (212584512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90557376 is a wasteful number, since it uses less digits than its factorization.

90557376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 90557376 is about 9516.1639330142. The cubic root of 90557376 is about 449.0636926988.

The spelling of 90557376 in words is "ninety million, five hundred fifty-seven thousand, three hundred seventy-six".